What is the next number in this sequence? 5; 6; 10; 17; 27; 40; 56; ?; ?

Answer 1

5
5+1=6
6+1+3x1=10
10+1+3x2=17
17+1+3x3=27
27+1+3x4=40
40+1+3x5=56
56+1+3x6=75

the answer is 75